I believe you are referring to the nucleus.
Mitochondria
Organelle means 'tiny organ' so you can think of cellular organelles as the organs of the cell which perform specific functions within the cell.
ribosomes
Endoplasmic Reticulum
It should be the vacuole, because all cells, even the red-blood cells and xylem cells have vacuoles. Basically my definition of "universal cell organelle" means an organelle which is present in all cells.
the organelle that controls the activities of the whole cell is the
It is done by nucleus.It is the controlling centre of cell.
Nucleus is known as the "brain" of the cell?
Mitochondria
Golgi Apparatus
Organelle means 'tiny organ' so you can think of cellular organelles as the organs of the cell which perform specific functions within the cell.
it is a organelle called the mitochondrion
ribosomes
Endoplasmic Reticulum
Chloroplast is known as the kitchen of cell.
Mitochondria, it is known as the powerhouse of the cell and providing it energy.
It should be the vacuole, because all cells, even the red-blood cells and xylem cells have vacuoles. Basically my definition of "universal cell organelle" means an organelle which is present in all cells.